BootMessage: show more info in boot dialog

Tell the users what package we are running dexOpt on currently

Change-Id: I665ab3847ec1846e40915a1fae21c43e2e7ccf6d
Merge "BootMessage: show more info in boot dialog" into android-4.4
Merge remote-tracking branch 'cm/android-4.4' into android-4.4